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aerology the branch of meteorology that deals with the entire atmosphere, esp. the upper atmosphere.
blizzard in meteorology, a violent snowstorm characterized by high winds of no less than 35 miles (56 kilometers) per hour and lasting three hours or more. A blizzard results in extremely reduced visibility. [1/2 definitions]
corona in meteorology, a ring or series of concentric rings seen around a heavenly body, caused by diffraction due to fine mist or dust in the atmosphere. (See aureole.) [1/5 definitions]
earth science Earth science is the study of the planet Earth. Earth science is especially interested in what the planet is composed of, its weather, and how the planet developed and continues to change over time. Many different sciences, such as geology and meteorology--the study of weather--are part of earth science.
geophysics (used with a sing. verb) the branch of physics that deals with matters relevant to geology and includes oceanography, meteorology, seismology, and the like.
light air in meteorology, a wind with a speed of between one and three miles per hour.
light breeze in meteorology, a wind with a speed of between four and seven miles per hour.
meteorological of or pertaining to meteorology. [1/2 definitions]
occlude in meteorology, to form a composite weather front by the action of cold air overtaking a warm front and forcing it upward. [1/5 definitions]
trough in meteorology, a long narrow region of low barometric pressure relative to the surrounding area. [1/4 definitions]